CN210513536U

CN210513536U - Quick installation device of manometer

Info

Publication number: CN210513536U
Application number: CN201921720322.8U
Authority: CN
Inventors: 卢凯权; 林晓峰; 陈圆圆
Original assignee: Hongqi Meter Co ltd
Current assignee: Hongqi Meter Co ltd
Priority date: 2019-10-14
Filing date: 2019-10-14
Publication date: 2020-05-12
Anticipated expiration: 2029-10-14

Abstract

The utility model belongs to the technical field of the manometer installation technique and specifically relates to a quick installation device of manometer is related to, the utility model discloses an intake pipe and elastic ring have seted up the ring channel on the inner wall of intake pipe, and the elastic ring includes the guide part, supports tight portion and connecting portion, is equipped with the spigot surface on the guide part, supports to be equipped with the binding face in tight portion. In the process of inserting the joint into the air inlet pipe, the joint firstly abuts against the guide surface and presses the guide part into the annular groove through the guide surface, then the abutting part is driven by the guide part to sink into the annular groove and deform, the binding surface abuts against the joint, and then the connecting part also sinks into the annular groove and deforms; therefore, after the joint is inserted into the air inlet pipe, the elastic ring sinks into the annular groove as a whole, and the guide part and the connecting part enable the binding surface on the clamping part to be clamped on the joint. The utility model discloses can realize the quick installation of manometer to the accuracy of manometer school checking has been guaranteed.

Description

Quick installation device of manometer

Technical Field

The utility model belongs to the technical field of the manometer installation technique and specifically relates to a quick installation device of manometer is related to.

Background

The pressure gauge is a meter which takes an elastic element as a sensitive element and measures and indicates the pressure higher than the ambient pressure.

Through retrieval, the Chinese patent publication No. CN206546233U discloses a pressure gauge checking device, which comprises a four-way joint, wherein four interfaces of the four-way joint are respectively connected with a production pipeline, a pressure gauge to be checked, a standard pressure gauge and a supercharger, and stop valves are respectively connected between the four-way joint and the production pipeline, the pressure gauge to be checked, the standard pressure gauge and the supercharger; the supercharger comprises a vertically arranged shell which is in a hollow cylindrical shape, a cavity which can be subjected to extrusion deformation is arranged in the shell, an exhaust port is arranged on the upper portion of the shell, an oil injection port is arranged at the bottom of the shell, two cylindrical barrels and barrel horizontal arrangement are symmetrically arranged on the side wall of the shell, the tail end of the supercharger extends into the shell, and a piston rod and a hand wheel connection are arranged in the barrel. The device is in order to realize online check-up and short time off-line check-up, need not to dismantle, easy operation, and check-up time is short, and two kinds of check-up modes are compared each other and are attested, and is useful to the accuracy nature of checking the school result.

The above prior art solutions have the following drawbacks: in the process of calibrating and checking the pressure gauge, the joint of the pressure gauge is directly inserted into the four-way interface, the installation is unstable, and if the pressure gauge shakes to cause a gap between the joint and the interface wall, the accuracy of calibrating and checking the pressure gauge is affected, so that improvement is needed.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing a quick installation device of manometer can realize the quick installation of manometer to the accuracy of manometer school check has been guaranteed.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a quick installation device of manometer, including intake pipe and the elastic ring that supplies the connector to peg graft, set up the ring channel that supplies the elastic ring to sink on the inner wall of intake pipe, the elastic ring includes the guide part that sets gradually along the connector direction of inserting, support tight portion and connecting portion, guide part and connecting portion all partially stand out in the ring channel and fix respectively on the both sides cell wall that the ring channel is relative, be equipped with on the guide part and be used for leading the direction to the spigot surface of supporting tight portion, the spigot surface deviates from the connecting portion slope, support tight portion integrated into one piece in guide part and connecting portion and stand out in the ring channel completely, support to be equipped with in tight portion and laminate in the.

By adopting the technical scheme, in the process of inserting the joint into the air inlet pipe, the joint is firstly abutted against the guide surface and the guide part is pressed into the annular groove through the guide surface, then the abutted part is driven by the guide part to sink into the annular groove and deform, the binding surface is abutted against the joint, so that the joint is not easy to shake, gas in the air inlet pipe is not easy to overflow from a gap between the joint and the inner wall of the air inlet pipe, and then the connecting part is also immersed into the annular groove and deforms; therefore, after the joint is inserted into the air inlet pipe, the elastic ring sinks the whole body into the annular groove, the guide part and the connecting part enable the binding surface on the abutting part to abut against the joint, the quick installation of the pressure gauge is realized, and the accuracy of the pressure gauge calibration is ensured.

The utility model discloses further set up to: a plurality of through grooves are formed in the outer wall of the air inlet pipe in the circumferential direction, abutting pieces are embedded in all the through grooves in a sliding mode, and pushing pieces for pushing all the abutting pieces to abut against the joints together are arranged on the air inlet pipe.

Through adopting above-mentioned technical scheme, connect and insert the back in the air-intake pipe, the impeller will promote all to support the piece and all slide and support jointly tightly in connecting along the groove extending direction that runs through that corresponds, further make to connect difficult in the air-intake pipe rock to the accuracy of manometer check has been improved.

The utility model discloses further set up to: the pushing piece is a pushing ring which is sleeved outside the air inlet pipe in a sliding mode, a pushing face which inclines towards the air inlet pipe is arranged on one side, facing the pushing piece, of the pushing ring, all the pushing pieces are far away from one side of the joint and penetrate out of the penetrating groove and abut against the pushing face, and a locking piece used for locking and fixing the pushing ring is arranged on the air inlet pipe.

Through adopting above-mentioned technical scheme, in the back of connecting inserting the intake pipe, will promote the ring and slide to be close to in the piece that supports, promote the face and will compress tightly in all support the piece and wear out the one end that corresponds and run through the groove, all support the piece and will slide in the corresponding through groove in step and support tightly in connecting, rethread retaining member will promote the ring locking and fix, can realize supporting tightly fixedly fast to the joint.

The utility model discloses further set up to: and one side of each abutting piece, which is far away from the joint, is provided with a matching surface which is attached to the pushing surface.

Through adopting above-mentioned technical scheme, support the tight piece and support when connecting, the promotion face will compress tightly in the fitting surface, has increased the area of contact of propelling movement ring with the piece that supports to the tight effect of supporting of the piece of propelling movement ring pair has been improved.

The utility model discloses further set up to: all the abutting parts are fixed with sector rings on one side facing the joint, and the inner wall of the air inlet pipe is provided with a plurality of sinking grooves for the corresponding sector rings to sink into.

By adopting the technical scheme, the contact area of the sector ring and the joint is larger than that of the abutting piece and the joint, so that the abutting and fixing effect of the abutting joint is improved by the sector ring; the sector ring can be completely sunk into the sinking groove, so that the sector ring is prevented from influencing the normal insertion of the joint into the air inlet pipe.

The utility model discloses further set up to: and elastic pads are fixed on one sides of the fan-shaped rings facing the joints.

Through adopting above-mentioned technical scheme, when sector ring pressed to the joint, the cushion will take place deformation and support tightly in the joint, had both guaranteed supporting tight fixed effect to the joint, made the difficult indentation that produces in joint surface again.

The utility model discloses further set up to: all the elastic pads jointly form a circular ring sleeved outside the joint.

Through adopting above-mentioned technical scheme, the setting up of ring makes the gas in the inlet tube be difficult for overflowing from the gap between joint and the inlet tube inner wall to the accuracy of manometer check has been improved.

The utility model discloses further set up to: the air inlet pipe is provided with a plurality of elastic pieces which drive the corresponding abutting pieces to slide away from the joint.

By adopting the technical scheme, when the pushing piece pushes all the abutting pieces to abut against the joint, all the elastic pieces are in a deformation state; when the pushing action of the pushing piece on the abutting piece is cancelled, all the elastic pieces are restored to the natural state and drive the corresponding abutting piece to slide away from the joint, so that the joint can be taken out of the air inlet pipe and the next group of pressure gauges can be calibrated.

To sum up, the utility model discloses following beneficial effect has:

1. the arrangement of the annular groove and the elastic ring promotes the binding surface on the clamping part to be clamped against the joint, thereby realizing the quick installation of the pressure gauge and ensuring the accuracy of the calibration and the check of the pressure gauge;

2. the arrangement of the through groove, the abutting piece, the pushing ring and the locking piece realizes the quick abutting and fixing of the butt joint, and improves the accuracy of the calibration and the inspection of the pressure gauge;

3. the arrangement of the fan-shaped ring and the elastic cushion improves the abutting fixing effect of the butt joint, and gas in the air inlet pipe is difficult to overflow from a gap between the joint and the inner wall of the air inlet pipe, so that the accuracy of the correction and the check of the pressure gauge is improved.

Drawings

Fig. 1 is a schematic view of the overall structure in the embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an embodiment of the present invention in which the adapter is not fully inserted into the intake pipe;

fig. 3 is a schematic structural view illustrating the push ring and the retainer according to the embodiment of the present invention.

In the figure: 1. a pressure gauge; 11. a joint; 2. an air inlet pipe; 21. an annular groove; 22. a through groove; 23. an abutting piece; 24. a mating surface; 25. a push ring; 26. pushing the surface; 27. a threaded segment; 28. a sector ring; 281. an elastic pad; 29. sinking a groove; 3. an elastic ring; 31. a guide portion; 32. a tightening part; 33. a connecting portion; 34. a guide surface; 35. a binding face; 4. a spring.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1 and 2, a pressure gauge quick mounting device comprises an air inlet pipe 2 and an elastic ring 3, wherein the air inlet pipe 2 is connected with a connector 11 in an inserting manner, the air inlet pipe 2 is fixedly communicated with one connector of a four-way joint in the prior art, the elastic ring 3 is made of rubber, and an annular groove 21 for allowing the elastic ring 3 to sink into is formed in the inner wall of the air inlet pipe 2.

As shown in fig. 2, the elastic ring 3 includes a guiding portion 31, a tightening portion 32 and a connecting portion 33 sequentially arranged along the insertion direction of the joint 11, the guiding portion 31 and the connecting portion 33 partially protrude from the annular groove 21 and are respectively fixed on two opposite side groove walls of the annular groove 21, the guiding portion 31 is provided with a guiding surface 34 inclined away from the connecting portion 33, the tightening portion 32 is integrally formed on the guiding portion 31 and the connecting portion 33 and completely protrudes from the annular groove 21, and the tightening portion 32 is provided with an attaching surface 35. In the process of inserting the joint 11 into the air inlet pipe 2, the joint 11 is abutted to the guide surface 34 and presses the guide part 31 into the annular groove 21 through the guide surface 34, then the abutting part 32 is driven by the guide part 31 to sink into the annular groove 21 and deform, then the connecting part 33 is also sunk into the annular groove 21 and deform, the guide part 31 and the connecting part 33 enable the abutting surface 35 on the abutting part 32 to abut to the joint 11, the quick installation of the pressure gauge 1 is realized, and the accuracy of the calibration of the pressure gauge 1 is ensured.

As shown in fig. 2 and 3, a plurality of through grooves 22 extending along the radial direction of the air inlet pipe 2 are circumferentially formed on the outer wall of the air inlet pipe 2, and the number of the through grooves 22 is three in this embodiment; the through grooves 22 are embedded with the abutting pieces 23 in a sliding manner, all the abutting pieces 23 are arranged in a square column shape, one end of each abutting piece 23, which is far away from the joint 11, penetrates out of the through groove 22, and a matching surface 24 which inclines away from the joint 11 is arranged on the end; the air inlet pipe 2 is provided with a pushing part, the pushing part is a pushing ring 25 which is sleeved outside the air inlet pipe 2 in a sliding mode, and one side, facing the abutting part 23, of the pushing ring 25 is provided with a pushing surface 26 which inclines towards the air inlet pipe 2. When the pushing ring 25 is moved close to the abutting members 23, the pushing surfaces 26 will press against the mating surfaces 24 on all the abutting members 23, and all the abutting members 23 will simultaneously slide in the corresponding through grooves 22 and abut against the joint 11, so that the joint 11 is quickly urged and fixed.

As shown in fig. 2, the air inlet pipe 2 is provided with a locking member, the locking member is a threaded section 27 arranged on the outer wall of the air inlet pipe 2, the inner wall of the push ring 25 is provided with a threaded groove, and the threaded section 27 is in threaded fit with the threaded groove, so that the push ring 25 is locked and fixed on the air inlet pipe 2.

As shown in fig. 2, the sector rings 28 are fixed on one sides of all the abutting members 23 facing the joint 11, the elastic pads 281 are fixed on one sides of all the sector rings 28 facing the joint 11, the elastic pads 281 are made of rubber, and when the abutting members 23 press against the joint 11, the elastic pads 281 deform and abut against the joint 11, so that the abutting fixing effect on the joint 11 is improved; a plurality of sinking grooves 29 for the corresponding sector rings 28 and the elastic pads 281 to sink are formed in the inner wall of the air inlet pipe 2, so that the sector rings 28 are prevented from influencing the normal insertion of the joint 11 into the air inlet pipe 2; all the elastic pads 281 jointly form a ring sleeved outside the joint 11, all the sinking grooves 29 jointly form a complete ring groove, and the ring is located in the ring groove, so that gas in the gas inlet pipe 2 is not easy to overflow from a gap between the joint 11 and the inner wall of the gas inlet pipe 2.

As shown in fig. 2, the air inlet pipe 2 is provided with a plurality of elastic members corresponding to the abutting members 23, all the elastic members are springs 4 wound outside the corresponding abutting members 23, and both ends of all the springs 4 are fixedly connected to the outer wall of the air inlet pipe 2 and the corresponding abutting members 23 respectively. When the pushing ring 25 rotates away from the tightening member 23, all the springs 4 will return to the natural state and drive the corresponding tightening member 23 to slide away from the joint 11, so as to take out the joint 11 from the air inlet pipe 2 and perform calibration of the next group of pressure gauges 1.

The implementation principle of the embodiment is as follows: in the process of inserting the joint 11 into the air inlet pipe 2, the joint 11 is abutted to the guide surface 34 and the guide part 31 is pressed into the annular groove 21 through the guide surface 34, then the abutted part 32 is driven by the guide part 31 to sink into the annular groove 21 and deform, then the connecting part 33 is also sunk into the annular groove 21 and deform, at the moment, the elastic ring 3 is sunk into the annular groove 21 as a whole, and the guide part 31 and the connecting part 33 urge the abutting surface 35 on the abutted part 32 to abut to the joint 11, so that the joint 11 is abutted to be fixed in the air inlet pipe 2.

Then the pushing ring 25 is rotated close to the abutting members 23, the pushing surface 26 will press against the mating surfaces 24 of all the abutting members 23 and cause all the abutting members 23 to slide synchronously towards the joint 11, and all the elastic pads 281 will synchronously abut against the joint 11, so that the joint 11 is quickly abutted and fixed; and because all cushion 281 have formed the ring together, so make the gas in the air intake pipe 2 difficult to spill over from the gap between joint 11 and the inner wall of air intake pipe 2, thus has improved the accuracy checked of the manometer 1.

After the calibration of the pressure gauge 1 is completed, the push ring 25 rotates away from the abutting piece 23, all the springs 4 return to the natural state and drive the corresponding abutting piece 23 to slide away from the joint 11, and at this time, the joint 11 can be taken out from the air inlet pipe 2 and the next set of pressure gauge 1 is calibrated.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a quick installation device of manometer which characterized in that: comprises an air inlet pipe (2) and an elastic ring (3) which are used for splicing a joint (11), wherein the inner wall of the air inlet pipe (2) is provided with an annular groove (21) for the elastic ring (3) to sink into, the elastic ring (3) comprises guide parts (31) which are sequentially arranged along the insertion direction of the joint (11), support tight portion (32) and connecting portion (33), guide part (31) and connecting portion (33) are all partly outstanding in annular groove (21) and are fixed respectively on the relative both sides cell wall of annular groove (21), be equipped with on guide part (31) and be used for leading to the guide surface (34) of supporting tight portion (32) with joint (11), guide surface (34) deviate from connecting portion (33) slope, support tight portion (32) integrated into one piece in guide part (31) and connecting portion (33) and outstanding completely in annular groove (21), be equipped with laminating in binding face (35) of joint (11) on supporting tight portion (32).

2. The quick installation device for the pressure gauge according to claim 1, wherein: a plurality of through grooves (22) are formed in the outer wall of the air inlet pipe (2) in the circumferential direction, abutting pieces (23) are embedded into all the through grooves (22) in a sliding mode, and pushing pieces for pushing all the abutting pieces (23) to abut against the joint (11) together are arranged on the air inlet pipe (2).

3. A quick pressure gauge mounting device as claimed in claim 2, wherein: the impeller is the propelling ring (25) that the slip cover was established outside intake pipe (2), and propelling ring (25) are equipped with towards intake pipe (2) slope's propelling movement face (26) towards one side of propping the piece (23), and all are kept away from in one side of joint (11) to propping the piece (23) and all wear out and contradict in propelling movement face (26) from running through groove (22), are equipped with on intake pipe (2) and are used for the retaining member that will push the ring (25) locking is fixed.

4. A quick pressure gauge mounting device as claimed in claim 3, wherein: and the side of all the abutting pieces (23) far away from the joint (11) is provided with a matching surface (24) which is jointed with the pushing surface (26).

5. A quick pressure gauge mounting device as claimed in claim 2, wherein: all the abutting pieces (23) are fixed with sector rings (28) on one sides facing the joints (11), and the inner wall of the air inlet pipe (2) is provided with a plurality of sinking grooves (29) for the corresponding sector rings (28) to sink into.

6. A quick installation device of a pressure gauge according to claim 5, characterized in that: an elastic pad (281) is fixed on one side of all the fan-shaped rings (28) facing the joint (11).

7. A quick installation device of a pressure gauge according to claim 6, characterized in that: all the elastic pads (281) jointly form a circular ring sleeved outside the joint (11).

8. A quick pressure gauge mounting device as claimed in claim 2, wherein: the air inlet pipe (2) is provided with a plurality of elastic pieces which drive the corresponding abutting pieces (23) to slide away from the joint (11).